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Thread: Tow Ball Weight L405

  1. #11
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    It states Max Vert Load S200 kg

  2. #12
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  3. #13
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    Tow Ball Weight L405

    I googled ECE-R55 which resulted in this: try & get your head around it
    https://
    http://www.legislation.gov.au/Detail...5-55e3a39f3eba

  4. #14
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    It appears to me that the S in S200kg stands for the defined Static Vertical Load of the ECE-R55 approval in the same manner as the D value (derived from towing mass) and therefore 200 kg is the manufacturer's assessed limit for the standard.

    However the standard would need to include a standard or manufacturer-defined armature length which if it exceeded LR's armature length for the L405 would allow a higher tow-ball mass such as stated by LR. No armature length is stated on the label so I assume that a standard length applies, possibly for the stated class.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  5. #15
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    Tow Ball Weight L405

    Thanks Graeme, so for a mere mortal like me , does that mean that the S200kg does NOT relate to the weight a caravan towball hitch exerts on the bar, i.e up to the L405s specification of 350kg.

  6. #16
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    I believe that S200kg is referring to a static vertical load of 200 kg according to the ECE-R55-01 standard definition. However unless the approval is tied to a particular length armature, which is does not appear to reference but maybe does in the full documentation for the submission to get the approval, then the 200 kg is meaningless.

    The Federal Govt's RVD1 record (Road Vehicle Descriptor) does not show a maximum ball weight, only maximum towing weight, for which the April 2015 record for the 3.0 and 4.4 L405 as an example is 3500 kg. Hence without a maximum ball weight on the tow-bar or the tongue, one can only refer to LR's published maximum ball weight. IIRC the Victorian exercise some months ago to weigh vans/trailers including ball weights used manufacturer's specifications for both, but also checked that the tongue and ball were appropriately rated for the vans/trailers.

    I would be trying to limit ball weight to 250kg even though LR state 350kg because for the rest of the world LR make the limit 250kg and therefore 350kg may over time result in excessive stressing of both the tow-bar and the rear of the vehicle. I have an outstanding task to move my van's spare from under the draw-bar to the rear to get ball weight closer to 250kg than it is currently, but noting that LR did not increase the L322's ball weight to 350kg for us.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  7. #17
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    IIRC the ball weight on the RRC and P38 were 350kg, before it dropped to 250kg on the L322 and now back to 350kg on L405.
    L405, Vogue SE, 4.4SDV8, 8 speed, Rear e-diff

  8. #18
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    Quote Originally Posted by Graeme View Post
    I believe that S200kg is referring to a static vertical load of 200 kg according to the ECE-R55-01 standard definition. However unless the approval is tied to a particular length armature, which is does not appear to reference but maybe does in the full documentation for the submission to get the approval, then the 200 kg is meaningless.

    The Federal Govt's RVD1 record (Road Vehicle Descriptor) does not show a maximum ball weight, only maximum towing weight, for which the April 2015 record for the 3.0 and 4.4 L405 as an example is 3500 kg. Hence without a maximum ball weight on the tow-bar or the tongue, one can only refer to LR's published maximum ball weight. IIRC the Victorian exercise some months ago to weigh vans/trailers including ball weights used manufacturer's specifications for both, but also checked that the tongue and ball were appropriately rated for the vans/trailers.

    I would be trying to limit ball weight to 250kg even though LR state 350kg because for the rest of the world LR make the limit 250kg and therefore 350kg may over time result in excessive stressing of both the tow-bar and the rear of the vehicle. I have an outstanding task to move my van's spare from under the draw-bar to the rear to get ball weight closer to 250kg than it is currently, but noting that LR did not increase the L322's ball weight to 350kg for us.
    Thank you again Graeme, Ill play with van loading & see how I go. Personally I feel happier when its ball weight is between 280 kg & 320 kg. I prefer to travel with both water tanks full to keep a low center of gravity. Dropping water from the front tank will get it to 250kg.

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